Professional carbide tipped adjustable countersink, countersinking angle 90°, two-part version. Can be clipped universally on all drill bits Ø 3-8 mm, incl. allen key. Ø 8 mm must be pushed into the countersink from behind with the spiral in front. Drilling and countersinking in one single operation by direct clipping on drill bits (also intermediate sizes e.g. 5.5 mm). Suitable for all sorts of wood, laminated panels and many plastics like acrylic glass, Corian®, GFRP, HPL coating, polycarbonate, PVC and Trespa® board. Countersinking and drilling in one operation. Once the VARIO is fi tted, you get the following dimensions (Ø drill bit/countersink size); 3=12 / 4=12,5 / 5=13,5 / 6=14,5 / 7=16 / 8=17,5 mm.